Weep holes provided in the plates of a distillation column ____________________? A. Facilitate draining out liquid from a tray when the unit is not in operation B. Are normally located near the overflow weir so that any delivery of liquid…
Tube height in a calandria type evaporator is normally less than _______________ metres? A. 1B. 2 C. 3.5 D. 5.5
The ratio, (propeller agitator dia/tank dia) is normally taken as____________________? A. 0.15-030 B. 0.5-0.65 C. 0.75-0.85 D. 0.60-0.90
Normal screwed fittings are used for pipes upto a diameter of _______________ inches? A. 1.5B. 3 C. 5 D. 9
The ratio of lateral strain to linear strain is termed as the___________________? A. Poisson’s ratio B. Bulk modulus C. Modulus of elasticity D. Shear modulus
What is the slope of the operating line in the rectifying section of a distillation column ? A. 0 B. ∞ C. > 1D. <1
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscosity above ____________________…
Which of the following efficiencies can be greater than 100% ? A. Overall plate efficiencyB. Murphree plate efficiency C. Point efficiency D. None of these
Minimum tube pitch recommended for shell and tube heat exchangers is about _______________ times the outside diameter of the tube? A. 1.25 B. 1.75 C. 2.5 D. 3.5
In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement ? A. Results in higher shell side pressure drop B. Can accomodate less number of tubes for a given shell diameter C. Facilitates easier…